Mark C
@largecardinal.bsky.social
Logician (PhD), Quantum Hacker, ML miscreant. Feral academic. Co-founder of Quantum Village @ DEF CON
November 4, 2025 at 8:36 AM
This is the funniest thing I've seen just before having to take my ibuprofen...
October 24, 2025 at 6:56 PM
This is the funniest thing I've seen just before having to take my ibuprofen...
What in the millennial melancholy noughties nostalgia nut-fest is going on?
April 10, 2025 at 11:15 AM
What in the millennial melancholy noughties nostalgia nut-fest is going on?
Fun Fact for the day - with Google and CloudFlare pushing hybrid post-quantum key exchange by default, and with chrome and Firefox supporting it by default since December, around 1/3 of the total traffic we are analysing w/CryptoMon from regular operations is now PQC secured by default! 🚀
March 18, 2025 at 12:18 PM
Fun Fact for the day - with Google and CloudFlare pushing hybrid post-quantum key exchange by default, and with chrome and Firefox supporting it by default since December, around 1/3 of the total traffic we are analysing w/CryptoMon from regular operations is now PQC secured by default! 🚀
@bloomberg.com "we provide the most accurate and relevant, up to date news and information to capital markets across the globe..."
Also Bloomberg: 🍆🍄
Also Bloomberg: 🍆🍄
February 10, 2025 at 7:26 AM
@bloomberg.com "we provide the most accurate and relevant, up to date news and information to capital markets across the globe..."
Also Bloomberg: 🍆🍄
Also Bloomberg: 🍆🍄
There's even a nifty mapping from qubits to symbits 👍
February 7, 2025 at 7:32 PM
There's even a nifty mapping from qubits to symbits 👍
Gazing into a crystal ball, this maths could be very useful. A quaternionic take on the qubit, the symplectic bit or 'symbit' has some very nifty properties, mostly arising from the fact that U(N) is a subgroup of the symplectic group Sp(2N, R).
February 7, 2025 at 7:32 PM
Gazing into a crystal ball, this maths could be very useful. A quaternionic take on the qubit, the symplectic bit or 'symbit' has some very nifty properties, mostly arising from the fact that U(N) is a subgroup of the symplectic group Sp(2N, R).
Mathematician giving a lecture: "So you see, a C*-algebra is just a Banach algebra that is also a closed *-subalgebra of the algebra of bounded operators on some given Hilbert space..."
Physicists in the lecture:
Physicists in the lecture:
December 25, 2024 at 4:33 PM
Mathematician giving a lecture: "So you see, a C*-algebra is just a Banach algebra that is also a closed *-subalgebra of the algebra of bounded operators on some given Hilbert space..."
Physicists in the lecture:
Physicists in the lecture:
The real story, however...
December 23, 2024 at 9:58 AM
The real story, however...
We caught the Methane Mambo!
December 14, 2024 at 9:59 PM
We caught the Methane Mambo!
Google: puts out dramatic headline about quantum
Investors and physicists (for different reasons):
Investors and physicists (for different reasons):
December 11, 2024 at 11:18 AM
Google: puts out dramatic headline about quantum
Investors and physicists (for different reasons):
Investors and physicists (for different reasons):
December 6, 2024 at 6:15 PM
Quite possibly the most 'City of London' thing I've read on the internet in quite some time...
November 22, 2024 at 4:19 PM
Quite possibly the most 'City of London' thing I've read on the internet in quite some time...
"This could be you if you got straight to the point..."
November 21, 2024 at 9:02 PM
"This could be you if you got straight to the point..."
Always impressed by the malleability of branding to appropriate whatever will make money next...
November 16, 2024 at 9:06 PM
Always impressed by the malleability of branding to appropriate whatever will make money next...
I laughed altogether far too much at this...
October 12, 2024 at 3:24 PM
I laughed altogether far too much at this...
Actual footage of Satya Nadella acquiring OpenAI for $0 and bypassing the SEC...
November 20, 2023 at 9:20 PM
Actual footage of Satya Nadella acquiring OpenAI for $0 and bypassing the SEC...
This is a fascinating study... What happens when Knowledge workers get access to LLMs? Well, it improves productivity AND quality, it seems.
This will be a very interesting jumping off point for more work on this, I would hope...
https://papers.ssrn.com/sol3/papers.cfm?abstract_id=4573321
This will be a very interesting jumping off point for more work on this, I would hope...
https://papers.ssrn.com/sol3/papers.cfm?abstract_id=4573321
September 18, 2023 at 9:29 AM
This is a fascinating study... What happens when Knowledge workers get access to LLMs? Well, it improves productivity AND quality, it seems.
This will be a very interesting jumping off point for more work on this, I would hope...
https://papers.ssrn.com/sol3/papers.cfm?abstract_id=4573321
This will be a very interesting jumping off point for more work on this, I would hope...
https://papers.ssrn.com/sol3/papers.cfm?abstract_id=4573321
Time to explore Betteridge's Law of Headlines concerning the quantum internet with Kian Van Der Enden, at @Ri_Science this evening...
September 13, 2023 at 5:56 PM
Time to explore Betteridge's Law of Headlines concerning the quantum internet with Kian Van Der Enden, at @Ri_Science this evening...
Put this in your threat model and burn it...
(Source: https://www.reddit.com/r/Britain/comments/167es3s/not_sure_how_to_caption_this/)
(Source: https://www.reddit.com/r/Britain/comments/167es3s/not_sure_how_to_caption_this/)
September 5, 2023 at 12:40 PM
Put this in your threat model and burn it...
(Source: https://www.reddit.com/r/Britain/comments/167es3s/not_sure_how_to_caption_this/)
(Source: https://www.reddit.com/r/Britain/comments/167es3s/not_sure_how_to_caption_this/)
NYC doesn't fuck about...
August 20, 2023 at 10:54 PM
NYC doesn't fuck about...
Been a while since I did an academic conf poster. Went down alright, though... Experimentalists were rather perturbed.
August 15, 2023 at 10:53 PM
Been a while since I did an academic conf poster. Went down alright, though... Experimentalists were rather perturbed.
Time to put quantum where it has never been simulated before...
July 24, 2023 at 9:57 AM
Time to put quantum where it has never been simulated before...
